Chemistry Unit 1 Properties

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Across 2. Science that studies the composition, structure and changed of matter. 5. A question that involves a measurement is said to be ? 8. A mixture of two or more metals. 9. Too small to be seen even with a microscope. 12. A question that does NOT involve measurement is said to be? 13. A type mixture that appears the same throughout. 15. Properties that DO NOT depend on the amount of matter present. 19. Properties that can only be observed during a reaction. 20. Term meaning how matter is put together. 21. The effect of gravity on an object's mass. 22. Anything having mass and volume.

Down 1. Scientists create these to help them understand objects or ideas that cannot be seen. 3. A type mixture where different materials are visible throughout. 4. The amount of matter in an object. 6. Visible to the naked eye. 7. A collection of chemical symbols and numbers that represent a compound. 10. Term meaning what a substance is made up of. 11. Type of properties that can be observed without changing the identity of a substance. 14. Type of properties that depend on the amount of matter present. 16. A mixture where one substance completely dissolves in another. 17. Models are based on ____ evidence. 18. Two or more substance combined but not joined chemically.

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